diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 108 |
1 files changed, 96 insertions, 12 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 87aca3f7c3de..9d3f765638cc 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -1,7 +1,7 @@ /******************************************************************************* * * Intel 10 Gigabit PCI Express Linux driver - * Copyright(c) 1999 - 2015 Intel Corporation. + * Copyright(c) 1999 - 2016 Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -27,6 +27,7 @@ #include "ixgbe_phy.h" static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed); +static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *); static s32 ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw) { @@ -355,7 +356,7 @@ static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl) command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL); if (!(command & IXGBE_SB_IOSF_CTRL_BUSY)) break; - usleep_range(10, 20); + udelay(10); } if (ctrl) *ctrl = command; @@ -1342,15 +1343,18 @@ static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw) mac->ops.enable_tx_laser = NULL; mac->ops.flap_tx_laser = NULL; mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber; + mac->ops.setup_fc = ixgbe_setup_fc_x550em; mac->ops.setup_mac_link = ixgbe_setup_mac_link_sfp_x550em; mac->ops.set_rate_select_speed = ixgbe_set_soft_rate_select_speed; break; case ixgbe_media_type_copper: mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em; + mac->ops.setup_fc = ixgbe_setup_fc_generic; mac->ops.check_link = ixgbe_check_link_t_X550em; break; default: + mac->ops.setup_fc = ixgbe_setup_fc_x550em; break; } } @@ -1842,6 +1846,82 @@ static s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, return status; } +/** + * ixgbe_setup_fc_x550em - Set up flow control + * @hw: pointer to hardware structure + */ +static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw) +{ + bool pause, asm_dir; + u32 reg_val; + s32 rc; + + /* Validate the requested mode */ + if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) { + hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n"); + return IXGBE_ERR_INVALID_LINK_SETTINGS; + } + + /* 10gig parts do not have a word in the EEPROM to determine the + * default flow control setting, so we explicitly set it to full. + */ + if (hw->fc.requested_mode == ixgbe_fc_default) + hw->fc.requested_mode = ixgbe_fc_full; + + /* Determine PAUSE and ASM_DIR bits. */ + switch (hw->fc.requested_mode) { + case ixgbe_fc_none: + pause = false; + asm_dir = false; + break; + case ixgbe_fc_tx_pause: + pause = false; + asm_dir = true; + break; + case ixgbe_fc_rx_pause: + /* Rx Flow control is enabled and Tx Flow control is + * disabled by software override. Since there really + * isn't a way to advertise that we are capable of RX + * Pause ONLY, we will advertise that we support both + * symmetric and asymmetric Rx PAUSE, as such we fall + * through to the fc_full statement. Later, we will + * disable the adapter's ability to send PAUSE frames. + */ + /* Fallthrough */ + case ixgbe_fc_full: + pause = true; + asm_dir = true; + break; + default: + hw_err(hw, "Flow control param set incorrectly\n"); + return IXGBE_ERR_CONFIG; + } + + if (hw->device_id != IXGBE_DEV_ID_X550EM_X_KR) + return 0; + + rc = ixgbe_read_iosf_sb_reg_x550(hw, + IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val); + if (rc) + return rc; + + reg_val &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE | + IXGBE_KRM_AN_CNTL_1_ASM_PAUSE); + if (pause) + reg_val |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE; + if (asm_dir) + reg_val |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE; + rc = ixgbe_write_iosf_sb_reg_x550(hw, + IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id), + IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val); + + /* This device does not fully support AN. */ + hw->fc.disable_fc_autoneg = true; + + return rc; +} + /** ixgbe_enter_lplu_x550em - Transition to low power states * @hw: pointer to hardware structure * @@ -2337,12 +2417,10 @@ static void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask) .enable_rx_buff = &ixgbe_enable_rx_buff_generic, \ .get_thermal_sensor_data = NULL, \ .init_thermal_sensor_thresh = NULL, \ - .prot_autoc_read = &prot_autoc_read_generic, \ - .prot_autoc_write = &prot_autoc_write_generic, \ .enable_rx = &ixgbe_enable_rx_generic, \ .disable_rx = &ixgbe_disable_rx_x550, \ -static struct ixgbe_mac_operations mac_ops_X550 = { +static const struct ixgbe_mac_operations mac_ops_X550 = { X550_COMMON_MAC .reset_hw = &ixgbe_reset_hw_X540, .get_media_type = &ixgbe_get_media_type_X540, @@ -2354,9 +2432,13 @@ static struct ixgbe_mac_operations mac_ops_X550 = { .setup_sfp = NULL, .acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X540, .release_swfw_sync = &ixgbe_release_swfw_sync_X540, + .init_swfw_sync = &ixgbe_init_swfw_sync_X540, + .prot_autoc_read = prot_autoc_read_generic, + .prot_autoc_write = prot_autoc_write_generic, + .setup_fc = ixgbe_setup_fc_generic, }; -static struct ixgbe_mac_operations mac_ops_X550EM_x = { +static const struct ixgbe_mac_operations mac_ops_X550EM_x = { X550_COMMON_MAC .reset_hw = &ixgbe_reset_hw_X550em, .get_media_type = &ixgbe_get_media_type_X550em, @@ -2368,6 +2450,8 @@ static struct ixgbe_mac_operations mac_ops_X550EM_x = { .setup_sfp = ixgbe_setup_sfp_modules_X550em, .acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X550em, .release_swfw_sync = &ixgbe_release_swfw_sync_X550em, + .init_swfw_sync = &ixgbe_init_swfw_sync_X540, + .setup_fc = NULL, /* defined later */ }; #define X550_COMMON_EEP \ @@ -2379,12 +2463,12 @@ static struct ixgbe_mac_operations mac_ops_X550EM_x = { .update_checksum = &ixgbe_update_eeprom_checksum_X550, \ .calc_checksum = &ixgbe_calc_eeprom_checksum_X550, \ -static struct ixgbe_eeprom_operations eeprom_ops_X550 = { +static const struct ixgbe_eeprom_operations eeprom_ops_X550 = { X550_COMMON_EEP .init_params = &ixgbe_init_eeprom_params_X550, }; -static struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = { +static const struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = { X550_COMMON_EEP .init_params = &ixgbe_init_eeprom_params_X540, }; @@ -2405,13 +2489,13 @@ static struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = { .check_overtemp = &ixgbe_tn_check_overtemp, \ .get_firmware_version = &ixgbe_get_phy_firmware_version_generic, -static struct ixgbe_phy_operations phy_ops_X550 = { +static const struct ixgbe_phy_operations phy_ops_X550 = { X550_COMMON_PHY .init = NULL, .identify = &ixgbe_identify_phy_generic, }; -static struct ixgbe_phy_operations phy_ops_X550EM_x = { +static const struct ixgbe_phy_operations phy_ops_X550EM_x = { X550_COMMON_PHY .init = &ixgbe_init_phy_ops_X550em, .identify = &ixgbe_identify_phy_x550em, @@ -2430,7 +2514,7 @@ static const u32 ixgbe_mvals_X550EM_x[IXGBE_MVALS_IDX_LIMIT] = { IXGBE_MVALS_INIT(X550EM_x) }; -struct ixgbe_info ixgbe_X550_info = { +const struct ixgbe_info ixgbe_X550_info = { .mac = ixgbe_mac_X550, .get_invariants = &ixgbe_get_invariants_X540, .mac_ops = &mac_ops_X550, @@ -2440,7 +2524,7 @@ struct ixgbe_info ixgbe_X550_info = { .mvals = ixgbe_mvals_X550, }; -struct ixgbe_info ixgbe_X550EM_x_info = { +const struct ixgbe_info ixgbe_X550EM_x_info = { .mac = ixgbe_mac_X550EM_x, .get_invariants = &ixgbe_get_invariants_X550_x, .mac_ops = &mac_ops_X550EM_x, |